It is c. The underwater mountain chain wasn't discovered until after we he died. The right answer is c because he noticed since all the fossils
line up they must have once been one continent and the continental drift is the theory that the plates spread apart
<span>C</span><span>oasts and bays
Trust in me Im </span><span>Latin American</span>
The statement is true.
As weird as it may sound, helium was indeed first discovered on the Sun, and after some time on Earth. The first evidence of helium was observed on August 18 1868, as a bright yellow line with a wavelength of 587.49 nanometers in the spectrum of the Sun's chromosphere. This line has been detected by a French astronomer by the name of Jules Janssen during a total solar eclipse in Gantur, India.
The answer to your question is,
Two. The twin towers both collapsed.
-Mabel <3
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust.